Jim Costa
Democratic
Undefeated: 17-0 career record
US HouseState SenateState House
Electoral Grade
C+
-9.1 pts
avg overperformance
Better than 28% of candidates10 graded races
Overperformance vs. state presidential baseline. Incumbents held to a higher bar: Senate/Gov −3 pts, House −2 pts.
17
Races
17-0
W-L (100%)
+31.5
Avg Margin
1980–2024
Career Span
Best: +100.0 (2006 House)Worst: 1.5 (2014 House)
Career Margin Trend17 races
Career Timeline
102,798
Candidate Votes
52.6%
Vote %
195,531
Total Votes
+5.2%
Margin
Electoral Performance
-13.6
Race Score
-15.6
vs. Natl. Baseline
D+20.7
State Pres.